
public class StringDoubleDoublePairPairList extends StringObjectPairList {

	@Override
	public boolean add(Object element) {
		if(!(element instanceof StringDoubleDoublePairPair)) {
			return false;
		}
		return super.add(element);
	}
	
	public StringDoubleDoublePairPair getElement(Object objId) {
		return (StringDoubleDoublePairPair)super.getElement(objId);
	}
}
